Cheap flights from Bangkok to Seattle
Cheap return flights from Bangkok to Seattle
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Seattle flight facts
What you need to know
What are the cheapest airlines?
- AirAsia
- EVA Air
- China Eastern Airlines
These airlines usually offer the cheapest flights from Bangkok to Seattle.
What airlines fly indirectly?
- United Airlines
- Delta Air Lines
- Korean Air
These airlines fly from Bangkok to Seattle, but you’ll have at least one layover.
How long is the flight?
19 hours 30 minutes
This is the shortest flight time from Bangkok to Seattle.
Alternative flights from the UK to Seattle
Check out prices for other routes
Alternative flights from Bangkok
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Bangkok/Seattle route. There are around 35 flights on any given week from the UK to Seattle and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Bangkok to Seattle
Tips and advice from our flight experts
You've searched for flights from Bangkok to Seattle. We've found 25 flights and compared them to give you the best offer. On average, AirAsia is the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route Bangkok to Seattle on 16/04/2026 at 22:15 for £47.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 13,000 km flight from Bangkok to Seattle.
To find the best offers, book in advance or look for last-minute deals. Consider flying with AirAsia, which is popular and offers competitive prices. The average flight duration is about 19 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
Other popular destinations near Seattle
Where other people are flying to
